TVs, tablets, phones, cars that enable you to control them by waiving, pointing and generally moving your hands in the air were all demoed at last week’s CES in Las Vegas. As Microsoft proved with Kinect for Xbox 360 (above) gesture control is a wonderful interface that really works. But there’s one problem, possibly a fatal one for the acceptance of gesture control: There are no standard gestures.

Every new gesture-control device makes you learn a whole new “vocabulary” of hand motions.

The new world of gesture control

The number of companies offering the technology is extensive and growing:

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